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【Daily Question】【Civil Engineering Version 20180604】

2018-06-07View Original

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The diagram shows a shaft under axial force, where the maximum tensile force is ( ). A. 12kN B. 20kN C. 8kN D. 13kN Answer: B 【Explanation】A force acting on a rigid body can be moved along its line of action to any point within the body without changing the effect of that force on the rigid body. The pulling force to the right along the axis is 8 kN + 12 kN = 20 kN, while the pulling force to the left along the axis is 7 kN; thus, the maximum pulling force is 20 kN.

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